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计算(1)8.01+99×8.01(2)125×(8+0.8+0.08+0.008)(3)12+14+18+116+132(4)(0.4+23)÷(56-0.75)×0.5(5)989898×999999÷1
题目详情
计算 (1)8.01+99×8.01 (2)125×(8+0.8+0.08+0.008) (3)
(4)(0.4+
(5)989898×999999÷10101÷111111. |
▼优质解答
答案和解析
(1)8.01+99×8.01, =(1+99)×8.01, =100×8.01, =801; (2)125×(8+0.8+0.08+0.008), =125×8+125×0.8+125×0.08+125×0.008, =1000+100+10+1, =1111; (3)
=1-
=1-
=
(4)(0.4+
=(
=
=
=
(5)989898×999999÷10101÷111111, =(98×10101)×(9×111111)÷10101÷111111, =(98×10101÷10101)×(9×111111÷111111), =98×9, =(100-2)×9, =900-18, =882. |
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